Umweltschutz durch öffentlich - rechtlichen Vertrag Author Salzwedel J. Date 1999 Source IUCN (ID: MON-064677) Publisher | Place of publication Erich Schmidt Verlag | Berlin, Germany Pages 164 p. Document type Chapter in monography Language German Country/Territory Germany Subject Environment gen., Land & soil Keyword Freshwater resources management Institution Soil conservation/soil improvement Freshwater quality/freshwater pollution